Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
SY/T 7021-2024 | English | RFQ |
ASK
|
3 days [Need to translate]
|
(Design specification for heating, ventilation and air conditioning in petroleum and natural gas projects)
| Valid |
SY/T 7021-2024
|
SY/T 7021-2014 | English | RFQ |
ASK
|
3 days [Need to translate]
|
Design code for heating ventilation and air conditioning of petroleum and natural gas surface engineering
| Valid |
SY/T 7021-2014
|